From e55182ac09885d7558adf75e9e230b051a721c18 Mon Sep 17 00:00:00 2001
From: Rasmus Munk Larsen <rmlarsen@google.com>
Date: Fri, 18 Sep 2020 17:38:58 +0000
Subject: Get rid of initialization logic for blueNorm by making the computed
 constants static const or constexpr. Move macro definition EIGEN_CONSTEXPR to
 Core and make all methods in NumTraits constexpr when EIGEN_HASH_CONSTEXPR is
 1.

---
 Eigen/src/Core/util/Macros.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Eigen/src/Core/util/Macros.h')

diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index 3b87cc897..243acc696 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -696,6 +696,12 @@
 
 #endif // EIGEN_HAS_CONSTEXPR
 
+#if EIGEN_HAS_CONSTEXPR
+#define EIGEN_CONSTEXPR constexpr
+#else
+#define EIGEN_CONSTEXPR
+#endif
+
 // Does the compiler support C++11 math?
 // Let's be conservative and enable the default C++11 implementation only if we are sure it exists
 #ifndef EIGEN_HAS_CXX11_MATH
-- 
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